Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/KPMtools/block.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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-1:000000000000 | 0:e9a9cd732c1e |
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1 function sub = block(blocks, block_sizes) | |
2 % BLOCK Return a vector of subscripts corresponding to the specified blocks. | |
3 % sub = block(blocks, block_sizes) | |
4 % | |
5 % e.g., block([2 5], [2 1 2 1 2]) = [3 7 8]. | |
6 | |
7 blocks = blocks(:)'; | |
8 block_sizes = block_sizes(:)'; | |
9 skip = [0 cumsum(block_sizes)]; | |
10 start = skip(blocks)+1; | |
11 fin = start + block_sizes(blocks) - 1; | |
12 sub = []; | |
13 for j=1:length(blocks) | |
14 sub = [sub start(j):fin(j)]; | |
15 end |